ALTA/LITTLE COTTONWOOD CANYON HRRR-DERIVED FORECAST GUIDANCE *************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED, AND UNOFFICIAL FORECAST * *************************************************************** CREATED/MAINTAINED BY THE STEENBURGH GROUP DEPARTMENT OF ATMOSPHERIC SCIENCES UNIVERSITY OF UTAH Contact: jim.steenburgh@utah.edu WETBULBZERO, 1H QPF, ACCUM QPF DIRECTLY FROM HRRR COLLINS SNOW RATIO/H2O, MT BALDY T/RH, MT BALDY WIND, 1H SNOW, and ACCUM SNOW based on machine learning including UU RF SLR algorithm Based on 12Z 11-Feb-2025 intialized HRRR FORECAST HOURS 0-48 FHR VALID MOUNTAIN TIME COLLINS T MT BALDY T/RH MT BALDY WIND WETBULBZERO SLR/H2O 1H QPF / 1H SNOW / ACCUM QPF / ACCUM SNOW 0 05 AM Tue Feb 11 2025 6F 1F / 77% W 19 G 26 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Tue Feb 11 2025 6F 2F / 77% W 16 G 23 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Tue Feb 11 2025 5F 2F / 76% WSW 17 G 25 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Tue Feb 11 2025 6F 1F / 72% WSW 17 G 24 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Tue Feb 11 2025 6F 1F / 72% WSW 17 G 26 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Tue Feb 11 2025 8F 2F / 79% WSW 14 G 22 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Tue Feb 11 2025 10F 2F / 91% WSW 11 G 19 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Tue Feb 11 2025 11F 2F / 95% WSW 9 G 14 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Tue Feb 11 2025 9F 2F / 100% WSW 9 G 16 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 9 02 PM Tue Feb 11 2025 9F 0F / 99% W 11 G 18 MPH ≤ KSLC 14:1 / 7% 0.01" / 0.1" 0.01" / 0.1" 10 03 PM Tue Feb 11 2025 8F 0F / 100% W 14 G 20 MPH ≤ KSLC 14:1 / 7% 0.02" / 0.3" 0.03" / 0.4" 11 04 PM Tue Feb 11 2025 7F -1F / 100% W 15 G 24 MPH ≤ KSLC 16:1 / 6% 0.02" / 0.3" 0.05" / 0.7" 12 05 PM Tue Feb 11 2025 5F -3F / 93% WNW 18 G 25 MPH ≤ KSLC 15:1 / 7% 0.02" / 0.3" 0.07" / 1.0" 13 06 PM Tue Feb 11 2025 3F -4F / 87% WNW 17 G 25 MPH ≤ KSLC 13:1 / 8% 0.01" / 0.1" 0.08" / 1.1" 14 07 PM Tue Feb 11 2025 1F -6F / 83% WNW 18 G 26 MPH ≤ KSLC 16:1 / 6% 0.01" / 0.2" 0.09" / 1.3" 15 08 PM Tue Feb 11 2025 0F -8F / 88% WNW 20 G 30 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.09" / 1.3" 16 09 PM Tue Feb 11 2025 -1F -8F / 91% WNW 21 G 30 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.09" / 1.3" 17 10 PM Tue Feb 11 2025 -2F -9F / 86% WNW 22 G 33 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.09" / 1.3" 18 11 PM Tue Feb 11 2025 -3F -10F / 90% WNW 25 G 37 MPH ≤ KSLC 16:1 / 6% 0.01" / 0.2" 0.10" / 1.5" 19 12 AM Wed Feb 12 2025 -4F -10F / 90% WNW 26 G 35 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 20 01 AM Wed Feb 12 2025 -5F -11F / 88% WNW 25 G 36 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 21 02 AM Wed Feb 12 2025 -5F -11F / 89% WNW 24 G 31 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 22 03 AM Wed Feb 12 2025 -5F -11F / 84% WNW 22 G 29 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 23 04 AM Wed Feb 12 2025 -5F -11F / 86% WNW 21 G 29 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 24 05 AM Wed Feb 12 2025 -6F -11F / 82% WNW 21 G 28 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 25 06 AM Wed Feb 12 2025 -5F -11F / 84% WNW 21 G 30 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 26 07 AM Wed Feb 12 2025 -5F -11F / 81% WNW 19 G 27 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 27 08 AM Wed Feb 12 2025 -6F -11F / 85% WNW 19 G 26 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.10" / 1.5" 28 09 AM Wed Feb 12 2025 -4F -10F / 89% WNW 18 G 26 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 29 10 AM Wed Feb 12 2025 -3F -10F / 94% WNW 17 G 21 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.10" / 1.5" 30 11 AM Wed Feb 12 2025 0F -9F / 93% WNW 15 G 22 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.10" / 1.5" 31 12 PM Wed Feb 12 2025 0F -7F / 98% W 15 G 22 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.10" / 1.5" 32 01 PM Wed Feb 12 2025 2F -6F / 96% WNW 17 G 25 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.10" / 1.5" 33 02 PM Wed Feb 12 2025 3F -6F / 92% WNW 18 G 25 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.10" / 1.5" 34 03 PM Wed Feb 12 2025 4F -6F / 93% WNW 19 G 26 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.10" / 1.5" 35 04 PM Wed Feb 12 2025 2F -7F / 93% WNW 20 G 31 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 36 05 PM Wed Feb 12 2025 0F -7F / 81% WNW 22 G 34 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 37 06 PM Wed Feb 12 2025 -2F -7F / 77% WNW 24 G 35 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 38 07 PM Wed Feb 12 2025 -4F -7F / 74% WNW 26 G 38 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 39 08 PM Wed Feb 12 2025 -3F -6F / 71% WNW 26 G 38 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 40 09 PM Wed Feb 12 2025 -2F -4F / 72% WNW 25 G 39 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 41 10 PM Wed Feb 12 2025 0F -3F / 65% WNW 27 G 38 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 42 11 PM Wed Feb 12 2025 0F -1F / 63% WNW 26 G 38 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 43 12 AM Thu Feb 13 2025 0F -1F / 62% WNW 27 G 38 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 44 01 AM Thu Feb 13 2025 1F 0F / 57% W 27 G 38 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.10" / 1.5" 45 02 AM Thu Feb 13 2025 2F 1F / 53% W 26 G 38 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 46 03 AM Thu Feb 13 2025 2F 2F / 54% W 25 G 36 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 47 04 AM Thu Feb 13 2025 4F 3F / 55% W 25 G 36 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 48 05 AM Thu Feb 13 2025 5F 4F / 54% WSW 24 G 34 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.10" / 1.5"